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DQEC Dynamic Speaker 53*33.8H mm Mesin Penceritaan Speaker Bluetooth Mesin Periklanan Speaker Magnetik Eksternal 4Ω6W.

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Detail Produk

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NO.

Item

Specification

Condition

1
Dim

尺寸

Φ53*53*33.8H mm

2

Anomia Impedance

标称阻抗

                 4±15% OHM

                   At 1.0KHz /4.89Vrms

3
Input power

输入功率

           Rated:6W/ Max：8W
                   At 4.89V /5.65V

4
ResonanceFrequency

最低共振周波数

160±20%Hz

                        At4.89V

5
S．P．L．

音压位准

            82±3 dB(0.5W/0.5M)

        At 0.8K/1.0K/1.2K/1.5KHz (Average)

6
Frequencies Range

有效频宽

                   F0~20KHz

                Output S.P.L. -10dB

7
Distortion

失真

                     5%Max

                At 1.0KHz 0.1W/0.1M

8
Buzz & Rattle

异常音
Not be audible sine wave between at 4.89V /200~5KHz.

(输入4.89V正弦波从200到5KHz无异常音)

9
Polarity

极性
Diaphragm shall move forward.
(端子的正极通入电流，振膜振动方向向前)

10
Load test

连续负荷测试
Must be normal after load test:white noise 48 hours.
(白噪声连续 48 小时试验后无异常的不良)

11
High TEMP test

耐热试验
After having been in a test chamber for 48 hours at the condition of +60 ℃
20~25%R.H and keep 2 hours.(+60℃ 20~25%R.H，48 小时试验常温 2 小时后，无异常的
不良)

12
Cold TEMP test

耐寒试验
After having been in a test chamber for 48 hours at the condition of －25℃±3℃
and keep 2 hours.(－25℃±3℃，48 小时试验常温 2 小时后，无异常的不良)

13
Humidity test

耐湿试验
After having been in a test chamber for 48 hours at the condition of +40 ℃
90~95%R.H and keep 4 hours. （+40℃ 90~95%R.H,48 小时试验常温 4 小时后，无异常的不良）

14
Drop test

跌落试验
 
The speak shall be dropped 2 times                                  undefined
as shown the figure,                                             
clause 8 shallbe satisfied.                                             
(如右图示 2 次跌落满足异常音试验无异常)                                                                                      

15
Weld

焊接条件
terminal weld: 350℃/≤2~3sec*2bit.（端子焊接不超过 2~3 秒）

16
Store temp

储存温度

－25℃ To +60℃

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